3-benzyl-4-hydroxy-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one

4-hydroxy-3,5,5-trimethyl-4-phenyl-1,3-oxazolidin-2-one

3-ethyl-4-hydroxy-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one

3-cyclohexyl-4-hydroxy-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one

2-methyl-2-(2-methyl-1-oxo-1-phenylpropan-2-yl)sulfanyl-1-phenylpropan-1-one